Dec 05 06:17:16.717 INFO checking spectral-0.6.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:17:16.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 06:17:17.128 INFO [stdout] 3093fa36778f5b643c99d10a85366e9e125a192a2f59cd8fe0bfe52702dc1673
Dec 05 06:17:17.130 INFO running `"docker" "start" "-a" "3093fa36778f5b643c99d10a85366e9e125a192a2f59cd8fe0bfe52702dc1673"`
Dec 05 06:17:19.242 INFO [stderr] usermod: no changes
Dec 05 06:17:19.319 INFO [stderr]     Checking spectral v0.6.0 (/source)
Dec 05 06:17:21.135 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:21.135 INFO [stderr]    --> src/lib.rs:318:13
Dec 05 06:17:21.135 INFO [stderr]     |
Dec 05 06:17:21.135 INFO [stderr] 318 |         let mut assertion = self;
Dec 05 06:17:21.135 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:21.135 INFO [stderr]     |             |
Dec 05 06:17:21.135 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:21.135 INFO [stderr]     |
Dec 05 06:17:21.135 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:17:21.135 INFO [stderr] 
Dec 05 06:17:21.135 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:21.135 INFO [stderr]    --> src/lib.rs:326:13
Dec 05 06:17:21.135 INFO [stderr]     |
Dec 05 06:17:21.135 INFO [stderr] 326 |         let mut assertion = self;
Dec 05 06:17:21.135 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:21.135 INFO [stderr]     |             |
Dec 05 06:17:21.135 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:21.135 INFO [stderr] 
Dec 05 06:17:21.699 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:21.699 INFO [stderr]    --> src/lib.rs:318:13
Dec 05 06:17:21.699 INFO [stderr]     |
Dec 05 06:17:21.699 INFO [stderr] 318 |         let mut assertion = self;
Dec 05 06:17:21.699 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:21.699 INFO [stderr]     |             |
Dec 05 06:17:21.699 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:21.699 INFO [stderr]     |
Dec 05 06:17:21.699 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:17:21.699 INFO [stderr] 
Dec 05 06:17:21.699 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:17:21.699 INFO [stderr]    --> src/lib.rs:326:13
Dec 05 06:17:21.699 INFO [stderr]     |
Dec 05 06:17:21.699 INFO [stderr] 326 |         let mut assertion = self;
Dec 05 06:17:21.699 INFO [stderr]     |             ----^^^^^^^^^
Dec 05 06:17:21.699 INFO [stderr]     |             |
Dec 05 06:17:21.699 INFO [stderr]     |             help: remove this `mut`
Dec 05 06:17:21.699 INFO [stderr] 
Dec 05 06:17:21.957 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
Dec 05 06:17:21.960 INFO [stderr] su: No module specific data is present
Dec 05 06:17:22.813 INFO running `"docker" "inspect" "3093fa36778f5b643c99d10a85366e9e125a192a2f59cd8fe0bfe52702dc1673"`
Dec 05 06:17:23.217 INFO running `"docker" "rm" "-f" "3093fa36778f5b643c99d10a85366e9e125a192a2f59cd8fe0bfe52702dc1673"`
Dec 05 06:17:23.591 INFO [stdout] 3093fa36778f5b643c99d10a85366e9e125a192a2f59cd8fe0bfe52702dc1673